Library of Congress >> MARC >> Bibliographic Field List

MARC 21 Format for Bibliographic Data

Field List


1999 Edition
Update No. 1 (October 2001) through Update No. 8 (October 2007)

This document lists all valid and obsolete data elements that may appear in MARC 21 bibliographic records. It is intended to meet the need for a simple data element list to support MARC system development and online validation of MARC data elements. This listing does not include any descriptions or examples of MARC data elements. Descriptions and examples can be found in the MARC 21 Format for Bibliographic Data .


--Leader and Directory--

  LEADER
     Character Positions
     00-04 - Logical record length
     05 - Record status
         a - Increase in encoding level
         c - Corrected or revised
         d - Deleted
         n - New
         p - Increase in encoding level from prepublication
     06 - Type of record
         a - Language material
         b - Archival and manuscripts control [OBSOLETE]
         c - Notated music
         d - Manuscript notated music
         e - Cartographic material
         f - Manuscript cartographic material
         g - Projected medium
         h - Microform publications [OBSOLETE]
         i - Nonmusical sound recording
         j - Musical sound recording
         k - Two-dimensional nonprojectable graphic
         m - Computer file
         n - Special instructional material [OBSOLETE]
         o - Kit
         p - Mixed material
         r - Three-dimensional artifact or naturally occurring object
         t - Manuscript language material
     07 - Bibliographic level
         a - Monographic component part
         b - Serial component part
         c - Collection
         d - Subunit
         i - Integrating resource
         m - Monograph/item
         s - Serial
     08 - Type of control
         # - No specific type
         a - Archival
     09 - Character coding scheme
         # - MARC-8
         a - UCS/Unicode
     10 - Indicator count
     11 - Subfield code count
     12-16 - Base address of data
     17 - Encoding level
         # - Full level
         1 - Full level, material not examined
         2 - Less-than-full level, material not examined
         3 - Abbreviated level
         4 - Core level
         5 - Partial (preliminary) level
         7 - Minimal level
         8 - Prepublication level
         u - Unknown
         z - Not applicable
     18 - Descriptive cataloging form
         # - Non-ISBD
         a - AACR 2
         i - ISBD
         p - Partial ISBD (BK) [OBSOLETE]
         r - Provisional (VM MP MU) [OBSOLETE]
         u - Unknown
     19 - Multipart resource record level
         # - Not specified or not applicable
         a - Set
         b - Part with independent title
         c - Part with dependent title 
     20-23 - Entry map
     20 - Length of the length-of-field portion
     21 - Length of the starting-character-position portion
     22 - Length of the implementation-defined portion
     23 - Undefined Entry map character position
DIRECTORY
   Character Positions
      00-02 - Tag
      03-06 - Field length
      07-11 - Starting character position

--Control Fields (001-006)--

001 - CONTROL NUMBER (NR)

003 - CONTROL NUMBER IDENTIFIER (NR)

005 - DATE AND TIME OF LATEST TRANSACTION (NR)

006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS
        --GENERAL INFORMATION (R)
 006--BOOKS
  Character Positions
     00 - Form of material
        a - Language material
        t - Manuscript language material
     01-04 - Illustrations
     05 - Target audience
     06 - Form of item
     07-10 - Nature of contents
     11 - Government publication
     12 - Conference publication
     13 - Festschrift
     14 - Index
     15 - Undefined
     16 - Literary form
     17 - Biography
 006--COMPUTER FILES/ELECTRONIC RESOURCES
  Character Positions
     00 - Form of material
        m - Computer file/Electronic resource
     01-04 - Undefined
     05 - Target audience
     06-08 - Undefined
     09 - Type of computer file
     10 - Undefined
     11 - Government publication
     12-17 - Undefined
 006--MAPS
  Character Positions
     00 - Form of material
        e - Cartographic material
        f - Manuscript cartographic material
     01-04 - Relief
     05-06 - Projection
     07 - Undefined
     07 - Prime meridian [OBSOLETE]
     08 - Type of cartographic material
     09-10 - Undefined
     11 - Government publication
     12 - Form of item
     12 - Undefined [OBSOLETE]
     13 - Undefined
     14 - Index
     15 - Undefined
     16-17 - Special format characteristics
 006--MIXED MATERIALS
  Character Positions
     00 - Form of material
        p - Mixed material
     01-05 - Undefined
     06 - Form of item
     07-17 - Undefined
 006--MUSIC
  Character Positions
     00 - Form of material
        c - Notated music
        d - Manuscript notated music
        i - Nonmusical sound recording
        j - Musical sound recording
     01-02 - Form of composition
     03 - Format of music
     04 - Music parts
     05 - Target audience
     06 - Form of item
     07-12 - Accompanying matter
     13-14 - Literary text for sound recordings
     15 - Undefined
     16 - Transposition and arrangement
     17 - Undefined
 006--CONTINUING RESOURCES
  Character Positions
     00 - Form of material
        s - Serial/Integrating resource
     01 - Frequency
     02 - Regularity
     03 - ISSN Center [OBSOLETE]
     04 - Type of continuing resource
     05 - Form of original item
     06 - Form of item
     07 - Nature of entire work
     08-10 - Nature of contents
     11 - Government publication
     12 - Conference publication
     13-15 - Undefined
     16 - Original alphabet or script of title
     17 - Entry convention
 006--VISUAL MATERIALS
  Character Positions
     00 - Form of material
        g - Projected medium
        k - Two-dimensional nonprojectable graphic
        o - Kit
        r - Three-dimensional artifact or naturally occurring object
     01-03 - Running time
     04 - Undefined
     05 - Target audience
     06-10 - Undefined
     06-10 - Accompanying matter [OBSOLETE]
     11 - Government publication
     12 - Form of item
     12 - Undefined [OBSOLETE]
     13-15 - Undefined
     16 - Type of visual material
     17 - Technique
--Control Field 007--
  007 - PHYSICAL DESCRIPTION FIXED FIELD
        --GENERAL INFORMATION (R)
  007--MAP
   Character Positions
      00 - Category of material
         a - Map
      01 - Specific material designation
         d - Atlas
         g - Diagram
         j - Map
         k - Profile
         q - Model
         r - Remote-sensing image
         s - Section
         u - Unspecified
         y - View
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         c - Multicolored
         | - No attempt to code
      04 - Physical medium
         a - Paper
         b - Wood
         c - Stone
         d - Metal
         e - Synthetic
         f - Skin
         g - Textile
         j - Glass
         p - Plaster
         q - Flexible base photographic, positive
         r - Flexible base photographic, negative
         s - Non-flexible base photographic, positive
         t - Non-flexible base photographic, negative
         u - Unknown
         y - Other photographic medium
         z - Other
         | - No attempt to code
      05 - Type of reproduction
         f - Facsimile
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      06 - Production/reproduction details
         a - Photocopy, blueline print
         b - Photocopy
         c - Pre-production
         d - Film
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Positive/negative aspect
         a - Positive
         b - Negative
         m - Mixed polarity
         n - Not applicable
         | - No attempt to code
  007--ELECTRONIC RESOURCE
   Character Positions
      00 - Category of material
         c - Computer file
      01 - Specific material designation
         a - Tape cartridge
         b - Chip cartridge
         c - Computer optical disc cartridge
         f - Tape cassette
         h - Tape reel
         j - Magnetic disk
         m - Magneto-optical disc
         o - Optical disc
         r - Remote
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         b - Black-and-white
         c - Multicolored
         g - Gray scale
         m - Mixed
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Dimensions
         a - 3 1/2 in.
         e - 12 in.
         g - 4 3/4 in. or 12 cm.
         i - 1 1/8 x 2 3/8 in.
         j - 3 7/8 x 2 1/2 in.
         n - Not applicable
         o - 5 1/4 in.
         u - Unknown
         v - 8 in.
         z - Other
         | - No attempt to code
      05 - Sound
         # - No sound (silent)
         a - Sound on medium
         u - Unknown
         | - No attempt to code
      06-08 - Image bit depth
         001-999 - Exact bit depth
         mmm - Multiple
         nnn - Not applicable
         --- - Unknown
         ||| - No attempt to code
      09 - File formats
         a - One
         m - Multiple
         u - Unknown
         | - No attempt to code
      10 - Quality assurance target(s)
         a - Absent
         n - Not applicable
         p - Present
         u - Unknown
         | - No attempt to code
      11 - Antecedent/source
         a - File reproduced from original
         b - File reproduced from microform
         c - File reproduced from an electronic resource
         d - File reproduced from an intermediate (not microform)
         m - Mixed
         n - Not applicable
         u - Unknown
         | - No attempt to code
      12 - Level of compression
         a - Uncompressed
         b - Lossless
         d - Lossy
         m - Mixed
         u - Unknown
         | - No attempt to code
      13 - Reformatting quality
         a - Access
         n - Not applicable
         p - Preservation
         r - Replacement
         u - Unknown
         | - No attempt to code
  007--GLOBE
   Character Positions
      00 - Category of material
         d - Globe
      01 - Specific material designation
         a - Celestial globe
         b - Planetary or lunar globe
         c - Terrestrial globe
         e - Earth moon globe
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         c - Multicolored
         | - No attempt to code
      04 - Physical medium
         a - Paper
         b - Wood
         c - Stone
         d - Metal
         e - Synthetic
         f - Skin
         g - Textile
         p - Plaster
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Type of reproduction
         f - Facsimile
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
  007--TACTILE MATERIAL
   Character Positions
      00 - Category of material
         f - Tactile material
      01 - Specific material designation
         a - Moon
         b - Braille
         c - Combination
         d - Tactile, with no writing system
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03-04 - Class of braille writing
         # - No specified class of braille writing
         a - Literary braille
         b - Format code braille
         c - Mathematics and scientific braille
         d - Computer braille
         e - Music braille
         m - Multiple braille types
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Level of contraction
         a - Uncontracted
         b - Contracted
         m - Combination
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      06-08 - Braille music format
         # - No specified braille music format
         a - Bar over bar
         b - Bar by bar
         c - Line over line
         d - Paragraph
         e - Single line
         f - Section by section
         g - Line by line
         h - Open score
         i - Spanner short form scoring
         j - Short form scoring
         k - Outline
         l - Vertical score
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      09 - Specific physical characteristics
         a - Print/braille
         b - Jumbo or enlarged braille
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
  007--PROJECTED GRAPHIC
   Character Positions
      00 - Category of material
         g - Projected graphic
      01 - Specific material designation
         c - Filmstrip cartridge
         d - Filmslip
         f - Other filmstrip type
         o - Filmstrip roll
         s - Slide
         t - Transparency
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         b - Black-and-white
         c - Multicolored
         h - Hand colored
         m - Mixed
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Base of emulsion
         d - Glass
         e - Synthetic
         j - Safety film
         k - Film base, other than safety film
         m - Mixed collection
         o - Paper
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Sound on medium or separate
         # - No sound (silent)
         a - Sound on medium
         b - Sound separate from medium
         u - Unknown
         | - No attempt to code
      06 - Medium for sound
         # - No sound (silent)
         a - Optical sound track on motion picture film
         b - Magnetic sound track on motion picture film
         c - Magnetic audio tape in cartridge
         d - Sound disc
         e - Magnetic audio tape on reel
         f - Magnetic audio tape in cassette
         g - Optical and magnetic sound track on motion picture film
         h - Videotape
         i - Videodisc
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Dimensions
         a - Standard 8 mm.
         b - Super 8 mm./single 8 mm.
         c - 9.5 mm.
         d - 16 mm.
         e - 28 mm.
         f - 35 mm.
         g - 70 mm.
         j - 2x2 in. or 5x5 cm.
         k - 2 1/4 x 2 1/4 in. or 6x6 cm.
         s - 4x5 in. or 10x13 cm.
         t - 5x7 in. or 13x18 cm.
         u - Unknown
         v - 8x10 in. or 21x26 cm.
         w - 9x9 in. or 23x23 cm.
         x - 10x10 in. or 26x26 cm.
         y - 7x7 in. or 18x18 cm.
         z - Other
         | - No attempt to code
      08 - Secondary support material
         # - No secondary support
         c - Cardboard
         d - Glass
         e - Synthetic
         h - Metal
         j - Metal and glass
         k - Synthetic and glass
         m - Mixed collection
         u - Unknown
         z - Other
         | - No attempt to code
  007--MICROFORM
   Character Positions
      00 - Category of material
         h - Microform
      01 - Specific material designation
         a - Aperture card
         b - Microfilm cartridge
         c - Microfilm cassette
         d - Microfilm reel
         e - Microfiche
         f - Microfiche cassette
         g - Microopaque
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Positive/negative aspect
         a - Positive
         b - Negative
         m - Mixed polarity
         u - Unknown
         | - No attempt to code
      04 - Dimensions
         a - 8 mm.
         d - 16 mm.
         f - 35 mm.
         g - 70 mm.
         h - 105 mm.
         l - 3x5 in. or 8x13 cm.
         m - 4x6 in. or 11x15 cm.
         o - 6x9 in. or 16x23 cm.
         p - 3 1/4 x 7 3/8 in. or 9x19 cm.
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Reduction ratio range
         a - Low reduction
         b - Normal reduction
         c - High reduction
         d - Very high reduction
         e - Ultra high reduction
         u - Unknown
         v - Reduction rate varies
         | - No attempt to code
      06-08 - Reduction ratio
      09 - Color
         b - Black-and-white (or monochrome)
         c - Multicolored
         m - Mixed
         u - Unknown
         z - Other
         | - No attempt to code
      10 - Emulsion on film
         a - Silver halide
         b - Diazo
         c - Vesicular
         m - Mixed emulsion
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      11 - Generation
         a - First generation (master)
         b - Printing master
         c - Service copy
         m - Mixed generation
         u - Unknown
         | - No attempt to code
      12 - Base of film
         a - Safety base, undetermined
         c - Safety base, acetate undetermined
         d - Safety base, diacetate
         p - Safety base, polyester
         r - Safety base, mixed
         t - Safety base, triacetate
         i - Nitrate base
         m - Mixed base (nitrate and safety)
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
  007--NONPROJECTED GRAPHIC
   Character Positions
      00 - Category of material
         k - Nonprojected graphic
      01 - Specific material designation
         c - Collage
         d - Drawing
         e - Painting
         f - Photomechanical print
         g - Photonegative
         h - Photoprint
         i - Picture
         j - Print
         l - Technical drawing
         n - Chart
         o - Flash card
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         b - Black-and-white
         c - Multicolored
         h - Hand colored
         m - Mixed
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Primary support material
         a - Canvas
         b - Bristol board
         c - Cardboard/illustration board
         d - Glass
         e - Synthetic
         f - Skin
         g - Textile
         h - Metal
         m - Mixed collection
         o - Paper
         p - Plaster
         q - Hardboard
         r - Porcelain
         s - Stone
         t - Wood
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Secondary support material
         # - No secondary support
         a - Canvas
         b - Bristol board
         c - Cardboard/illustration board
         d - Glass
         e - Synthetic
         f - Skin
         g - Textile
         h - Metal
         m - Mixed collection
         o - Paper
         p - Plaster
         q - Hardboard
         r - Porcelain
         s - Stone
         t - Wood
         u - Unknown
         z - Other
         | - No attempt to code
  007--MOTION PICTURE
   Character Positions
      00 - Category of material
         m - Motion picture
      01 - Specific material designation
         c - Film cartridge
         f - Film cassette
         r - Film reel
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         b - Black-and-white
         c - Multicolored
         h - Hand colored
         m - Mixed
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Motion picture presentation format
         a - Standard sound aperture (reduced frame)
         b - Nonanamorphic (wide-screen)
         c - 3D
         d - Anamorphic (wide-screen)
         e - Other wide-screen format
         f - Standard silent aperture (full frame)
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Sound on medium or separate
         # - No sound (silent)
         a - Sound on medium
         b - Sound separate from medium
         u - Unknown
         | - No attempt to code
      06 - Medium for sound
         # - No sound (silent)
         a - Optical sound track on motion picture film
         b - Magnetic sound track on motion picture film
         c - Magnetic audio tape in cartridge
         d - Sound disc
         e - Magnetic audio tape on reel
         f - Magnetic audio tape in cassette
         g - Optical and magnetic sound track on motion picture film
         h - Videotape
         i - Videodisc
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Dimensions
         a - Standard 8 mm.
         b - Super 8 mm./single 8 mm.
         c - 9.5 mm.
         d - 16 mm.
         e - 28 mm.
         f - 35 mm.
         g - 70 mm.
         u - Unknown
         z - Other
         | - No attempt to code
      08 - Configuration of playback channels
         k - Mixed
         m - Monaural
         n - Not applicable
         q - Quadraphonic, multichannel, or surround
         s - Stereophonic
         u - Unknown
         z - Other
         | - No attempt to code
      09 - Production elements
         a - Workprint
         b - Trims
         c - Outtakes
         d - Rushes
         e - Mixing tracks
         f - Title bands/intertitle rolls
         g - Production rolls
         n - Not applicable
         z - Other
         | - No attempt to code
      10 - Positive/negative aspect
         a - Positive
         b - Negative
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      11 - Generation
         d - Duplicate
         e - Master
         o - Original
         r - Reference print/viewing copy
         u - Unknown
         z - Other
         | - No attempt to code
      12 - Base of film
         a - Safety base, undetermined
         c - Safety base, acetate undetermined
         d - Safety base, diacetate
         p - Safety base, polyester
         r - Safety base, mixed
         t - Safety base, triacetate
         i - Nitrate base
         m - Mixed base (nitrate and safety)
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      13 - Refined categories of color
         a - 3 layer color
         b - 2 color, single strip
         c - Undetermined 2 color
         d - Undetermined 3 color
         e - 3 strip color
         f - 2 strip color
         g - Red strip
         h - Blue or green strip
         i - Cyan strip
         j - Magenta strip
         k - Yellow strip
         l - S E N 2
         m - S E N 3
         n - Not applicable
         p - Sepia tone
         q - Other tone
         r - Tint
         s - Tinted and toned
         t - Stencil color
         u - Unknown
         v - Hand colored
         z - Other
         | - No attempt to code
      14 - Kind of color stock or print
         a - Imbibition dye transfer prints
         b - Three layer stock
         c - Three layer stock, low fade
         d - Duplitized stock
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      15 - Deterioration stage
         a - None apparent
         b - Nitrate: suspicious odor
         c - Nitrate: pungent odor
         d - Nitrate: brownish, discoloration, fading, dusty
         e - Nitrate: sticky
         f - Nitrate: frothy, bubbles, blisters
         g - Nitrate: congealed
         h - Nitrate: powder
         k - Non-nitrate: detectable deterioration (diacetate odor)
         l - Non-nitrate: advanced deterioration
         m - Non-nitrate: disaster
         | - No attempt to code
      16 - Completeness
         c - Complete
         i - Incomplete
         n - Not applicable
         u - Unknown
         | - No attempt to code
      17-22 - Film inspection date
  007--KIT
   Character Positions
      00 - Category of material
         o - Kit
      01 - Specific material designation
         u - Unspecified
         | - No attempt to code
  007--NOTATED MUSIC
   Character Positions
      00 - Category of material
         q - Notated music
      01 - Specific material designation
         u - Unspecified
         | - No attempt to code
  007--REMOTE-SENSING IMAGE
   Character Positions
      00 - Category of material
         r - Remote-sensing image
      01 - Specific material designation
         u - Unspecified
         | - No attempt to code
      02 - Undefined
      03 - Altitude of sensor
         a - Surface
         b - Airborne
         c - Spaceborne
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Attitude of sensor
         a - Low oblique
         b - High oblique
         c - Vertical
         n - Not applicable
         u - Unknown
         | - No attempt to code
      05 - Cloud cover
         0 - 0-9%
         1 - 10-19%
         2 - 20-29%
         3 - 30-39%
         4 - 40-49%
         5 - 50-59%
         6 - 60-69%
         7 - 70-79%
         8 - 80-89%
         9 - 90-100%
         n - Not applicable
         u - Unknown
         | - No attempt to code
      06 - Platform construction type
         a - Balloon
         b - Aircraft--low altitude
         c - Aircraft--medium altitude
         d - Aircraft--high altitude
         e - Manned spacecraft
         f - Unmanned spacecraft
         g - Land-based remote-sensing device
         h - Water surface-based remote-sensing device
         i - Submersible remote-sensing device
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Platform use category
         a - Meteorological
         b - Surface observing
         c - Space observing
         m - Mixed uses
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      08 - Sensor type
         a - Active
         b - Passive
         u - Unknown
         z - Other
         | - No attempt to code
      09-10 - Data type
         aa - Visible light
         da - Near infrared
         db - Middle infrared
         dc - Far infrared
         dd - Thermal infrared
         de - Shortwave infrared (SWIR)
         df - Reflective infrared
         dv - Combinations
         dz - Other infrared data
         ga - Sidelooking airborne radar (SLAR)
         gb - Synthetic aperture radar (SAR)-Single frequency
         gc - SAR-multi-frequency (multichannel)
         gd - SAR-like polarization
         ge - SAR-cross polarization
         gf - Infometric SAR
         gg - polarmetric SAR
         gu - Passive microwave mapping
         gz - Other microwave data
         ja - Far ultraviolet
         jb - Middle ultraviolet
         jc - Near ultraviolet
         jv - Ultraviolet combinations
         jz - Other ultraviolet data
         ma - Multi-spectral, multidata
         mb - Multi-temporal
         mm - Combination of various data types
         nn - Not applicable
         pa - Sonar--water depth
         pb - Sonar--bottom topography images, sidescan
         pc - Sonar--bottom topography, near surface
         pd - Sonar--bottom topography, near bottom
         pe - Seismic surveys
         pz - Other acoustical data
         ra - Gravity anomalies (general)
         rb - Free-air
         rc - Bouger
         rd - Isostatic
         sa - Magnetic field
         ta - radiometric surveys
         uu - Unknown
         zz - Other
         || - No attempt to code
  007--SOUND RECORDING
   Character Positions
      00 - Category of material
         s - Sound recording
      01 - Specific material designation
         d - Sound disc
         e - Cylinder
         g - Sound cartridge
         i - Sound-track film
         q - Roll
         s - Sound cassette
         t - Sound-tape reel
         u - Unspecified
         w - Wire recording
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Speed
         a - 16 rpm
         b - 33 1/3 rpm
         c - 45 rpm
         d - 78 rpm
         e - 8 rpm
         f - 1.4 m. per sec.
         h - 120 rpm
         i - 160 rpm
         k - 15/16 ips
         l - 1 7/8 ips
         m - 3 3/4 ips
         o - 7 1/2 ips
         p - 15 ips
         r - 30 ips
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Configuration of playback channels
         m - Monaural
         q - Quadraphonic
         s - Stereophonic
         u - Unknown
         z - Other
         | - No attempt to code
      05 - Groove width/groove pitch
         m - Microgroove/fine
         n - Not applicable
         s - Coarse/standard
         u - Unknown
         z - Other
         | - No attempt to code
      06 - Dimensions
         a - 3 in.
         b - 5 in.
         c - 7 in.
         d - 10 in.
         e - 12 in.
         f - 16 in.
         g - 4 3/4 in. or 12 cm.
         j - 3 7/8 x 2 1/2 in.
         o - 5 1/4 x 3 7/8 in.
         n - Not applicable
         s - 2 3/4 x 4 in.
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Tape width
         l - 1/8 in.
         m - 1/4 in.
         n - Not applicable
         o - 1/2 in.
         p - 1 in.
         u - Unknown
         z - Other
         | - No attempt to code
      08 - Tape configuration
         a - Full (1) track
         b - Half (2) track
         c - Quarter (4) track
         d - Eight track
         e - Twelve track
         f - Sixteen track
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      09 - Kind of disc, cylinder or tape
         a - Master tape
         b - Tape duplication master
         d - Disc master (negative)
         i - Instantaneous (recorded on the spot)
         m - Mass produced
         n - Not applicable
         r - Mother (positive)
         s - Stamper (negative)
         t - Test pressing
         u - Unknown
         z - Other
         | - No attempt to code
      10 - Kind of material
         a - Lacquer coating
         b - Cellulose nitrate
         c - Acetate tape with ferrous oxide
         g - Glass with lacquer
         i - Aluminum with lacquer
         r - Paper with lacquer or ferrous oxide
         l - Metal
         m - Plastic with metal
         n - Not applicable [OBSOLETE]
         p - Plastic
         s - Shellac
         u - Unknown
         w - Wax
         z - Other
         | - No attempt to code
      11 - Kind of cutting
         h - Hill-and-dale cutting
         l - Lateral or combined cutting
         n - Not applicable
         u - Unknown
         | - No attempt to code
      12 - Special playback characteristics
         a - NAB standard
         b - CCIR standard
         c - Dolby-B encoded
         d - dbx encoded
         e - Digital recording
         f - Dolby-A encoded
         g - Dolby-C encoded
         h - CX encoded
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      13 - Capture and storage technique
         a - Acoustical capture, direct storage
         b - Direct storage, not acoustical
         d - Digital storage
         e - Analog electrical storage
         u - Unknown
         z - Other
         | - No attempt to code
  007--TEXT
   Character Positions
      00 - Category of material
         t - Text
      01 - Specific material designation
         a - Regular print
         b - Large print
         c - Braille
         d - Text in looseleaf binder
         u - Unspecified
         z - Other
         | - No attempt to code
  007--VIDEORECORDING
   Character Positions
      00 - Category of material
         v - Videorecording
      01 - Specific material designation
         c - Videocartridge
         d - Videodisc
         f - Videocassette
         r - Videoreel
         u - Unspecified
         z - Other
         | - No attempt to code
      02 - Undefined
      03 - Color
         a - One color
         b - Black-and-white
         c - Multicolored
         m - Mixed
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      04 - Videorecording format
         a - Beta (1/2 in., videocassette)
         b - VHS (1/2 in., videocassette)
         c - U-matic (3/4 in., videocassette)
         d - EIAJ (1/2 in. reel)
         e - Type C (1 in., reel)
         f - Quadruplex (1 in. or 2 in., reel)
         g - Laserdisc
         h - CED (Capacitance Electronic Disc) videodisc
         i - Betacam (1/2 in., videocassette)
         j - Betacam SP (1/2 in., videocassette)
         k - Super-VHS (1/2 in., videocassette)
         m - M-II (1/2 in., videocassette)
         o - D-2 (3/4 in., videocassette)
         p - 8 mm.
         q - Hi-8 mm.
         u - Unknown
         v - DVD
         z - Other
         | - No attempt to code
      05 - Sound on medium or separate
         # - No sound (silent)
         a - Sound on medium
         b - Sound separate from medium
         u - Unknown
         |- No attempt to code
      06 - Medium for sound
         # - No sound (silent)
         a - Optical sound track on motion picture film
         b - Magnetic sound track on motion picture film
         c - Magnetic audio tape in cartridge
         d - Sound disc
         e - Magnetic audio tape on reel
         f - Magnetic audio tape in cassette
         g - Optical and magnetic sound track on motion picture film
         h - Videotape
         i - Videodisc
         u - Unknown
         z - Other
         | - No attempt to code
      07 - Dimensions
         a - 8 mm.
         m - 1/4 in.
         o - 1/2 in.
         p - 1 in.
         q - 2 in.
         r - 3/4 in.
         u - Unknown
         z - Other
         | - No attempt to code
      08 - Configuration of playback channels
         k - Mixed
         m - Monaural
         n - Not applicable
         q - Quadraphonic, multichannel, or surround
         s - Stereophonic
         u - Unknown
         z - Other
         | - No attempt to code
  007--UNSPECIFIED
   Character Positions
      00 - Category of material
         z - Unspecified
      01 - Specific material designation
         m - Multiple physical forms
         u - Unspecified
         z - Other
         | - No attempt to code

--Control Field 008--
  008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION (NR)
  008--ALL MATERIALS
   Character Positions
      00-05 - Date entered on file
      06 - Type of date/Publication status
         b - No dates given; B.C. date involved
         c - Continuing resource currently published
         c - Actual date and copyright date [OBSOLETE]
         d - Continuing resource ceased publication
         d - Detailed date [OBSOLETE]
         e - Detailed date
         i - Inclusive dates of collection
         k - Range of years of bulk of collection
         m - Multiple dates
         n - Dates unknown
         p - Date of distribution/release/issue and production/recording session when different
         q - Questionable date
         r - Reprint/reissue date and original date
         s - Single known date/probable date
         t - Publication date and copyright date
         u - Continuing resource status unknown
         | - No attempt to code
      07-10 - Date 1
         1-9 - Date digit
         # - Date element is not applicable
         u - Date element is totally or partially unknown
         | - No attempt to code
      11-14 - Date 2
         1-9 - Date digit
         # - Date element is not applicable
         u - Date element is totally or partially unknown
         | - No attempt to code
      15-17 - Place of publication, production, or execution
      35-37 - Language
      38 - Modified record
         # - Not modified
         d - Dashed-on information omitted
         o - Completely romanized/printed cards romanized
         r - Completely romanized/printed cards in script
         s - Shortened
         x - Missing characters
         | - No attempt to code
      39 - Cataloging source
         # - National bibliographic agency
         a - National Agricultural Library [OBSOLETE]
         b - National Library of Medicine [OBSOLETE]
         c - Cooperative cataloging program
         d - Other
         n - Report to [OBSOLETE]
         u - Unknown
         | - No attempt to code
  008--BOOKS
   Character Positions
      18-21 - Illustrations
         # - No illustrations
         a - Illustrations
         b - Maps
         c - Portraits
         d - Charts
         e - Plans
         f - Plates
         g - Music
         h - Facsimiles
         i - Coats of arms
         j - Genealogical tables
         k - Forms
         l - Samples
         m - Phonodisc, phonowire, etc.
         o - Photographs
         p - Illuminations
         | - No attempt to code
      22 - Target audience
         # - Unknown or not specified
         a - Preschool
         b - Primary
         c - Pre-adolescent
         d - Adolescent
         e - Adult
         f - Specialized
         g - General
         j - Juvenile
         | - No attempt to code
      23 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         g - Punched paper tape [OBSOLETE]
         h - Magnetic tape [OBSOLETE]
         i - Multimedia [OBSOLETE]
         r - Regular print reproduction
         s - Electronic
         z - Other form of reproduction [OBSOLETE]
         | - No attempt to code
      24-27 - Nature of contents
         # - No specified nature of contents
         a - Abstracts/summaries
         b - Bibliographies
         c - Catalogs
         d - Dictionaries
         e - Encyclopedias
         f - Handbooks
         g - Legal articles
         h - Handbooks [OBSOLETE]
         i - Indexes
         j - Patent document
         k - Discographies
         l - Legislation
         m - Theses
         n - Surveys of literature in a subject area
         o - Reviews
         p - Programmed texts
         q - Filmographies
         r - Directories
         s - Statistics
         t - Technical reports
         u - Standards/specifications
         v - Legal cases and case notes
         w - Law reports and digests
         x - Technical reports [OBSOLETE]
         y - Yearbooks [OBSOLETE]
         z - Treaties
         2 - Offprints
         | - No attempt to code
      28 - Government publication
         # - Not a government publication
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         n - Government publication--level undetermined [OBSOLETE]
         o - Government publication--level undetermined
         s - State, provincial, territorial, dependent, etc.
         u - Unknown if item is government publication
         z - Other
         | - No attempt to code
      29 - Conference publication
         0 - Not a conference publication
         1 - Conference publication
         | - No attempt to code
      30 - Festschrift
         0 - Not a festschrift
         1 - Festschrift
         | - No attempt to code
      31 - Index
         0 - No index
         1 - Index present
         | - No attempt to code
      32 - Undefined
      32 - Main entry in body of entry [OBSOLETE]
         0 - Main entry not in body of entry
         1 - Main entry in body of entry
         | - No attempt to code
      33 - Literary form
         0 - Not fiction (not further specified)
         1 - Fiction (not further specified)
         c - Comic strips
         d - Dramas
         e - Essays
         f - Novels
         h - Humor, satires, etc.
         i - Letters
         j - Short stories
         m - Mixed forms
         p - Poetry
         s - Speeches
         u - Unknown
         | - No attempt to code
      34 - Biography
         # - No biographical material
         a - Autobiography
         b - Individual biography
         c - Collective biography
         d - Contains biographical information
         | - No attempt to code
  008--COMPUTER FILES
   Character Positions
      18-21 - Undefined
      18 - Frequency [OBSOLETE]
         # - No determinable frequency
         a - Annual
         b - Bimonthly
         c - Semiweekly
         d - Daily
         e - Biweekly
         f - Semiannual
         g - Biennial
         h - Triennial
         i - Three times a week
         j - Three times a month
         m - Monthly
         n - Not applicable
         q - Quarterly
         s - Semimonthly
         t - Three times a year
         u - Unknown
         w - Weekly
         z - Other frequencies
      19 - Regularity [OBSOLETE]
         # - Not applicable
         n - Normalized irregular
         r - Regular
         u - Unknown
         x - Completely irregular
      22 - Target audience
         # - Unknown or not specified
         a - Preschool
         b - Primary
         c - Pre-adolescent
         d - Adolescent
         e - Adult
         f - Specialized
         g - General
         j - Juvenile
         | - No attempt to code
      23-25 - Undefined
      26 - Type of computer file
         a - Numeric data
         b - Computer program
         c - Representational
         d - Document
         e - Bibliographic data
         f - Font
         g - Game
         h - Sound
         i - Interactive multimedia
         j - Online system or service
         m - Combination
         u - Unknown
         z - Other
         | - No attempt to code
      27 - Undefined
      27 - Type of machine [OBSOLETE]
         a - Computer readable
         z - Other
      28 - Government publication
         # - Not a government publication
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         o - Government publication--level undetermined
         s - State, provincial, territorial, dependent, etc.
         u - Unknown if item is government publication
         z - Other
         | - No attempt to code
      29-34 - Undefined
  008--MAPS
   Character Positions
      18-21 - Relief
         # - No relief shown
         a - Contours
         b - Shading
         c - Gradient and bathymetric tints
         d - Hachures
         e - Bathymetry/soundings
         f - Form lines
         g - Spot heights
         h - Color [OBSOLETE]
         i - Pictorially
         j - Land forms
         k - Bathymetry/isolines
         m - Rock drawings
         z - Other relief type
         | - No attempt to code
      22-23 - Projection
         ## - Projection not specified
         aa - Aitoff
         ab - Gnomic
         ac - Lambert's azimuthal equal area
         ad - Orthographic
         ae - Azimuthal equidistant
         af - Stereographic
         ag - General vertical near-sided
         am - Modified stereographic for Alaska
         an - Chamberlin trimetric
         ap - Polar stereographic
         au - Azimuthal, specific type unknown
         az - Azimuthal, other
         ba - Gall
         bb - Goode's homolographic
         bc - Lambert's cylindrical equal area
         bd - Mercator
         be - Miller
         bf - Mollweide
         bg - Sinusoidal
         bh - Transverse Mercator
         bi - Gauss-Kruger
         bj - Equirectangular
         bo - Oblique Mercator
         br - Robinson
         bs - Space oblique Mercator
         bu - Cylindrical, specific type unknown
         bz - Cylindrical, other
         ca - Alber's equal area
         cb - Bonne
         cc - Lambert's conformal conic
         ce - Equidistant conic
         cp - Polyconic
         cu - Conic, specific type unknown
         cz - Conic, other
         da - Armadillo
         db - Butterfly
         dc - Eckert
         dd - Goode's homolosine
         de - Miller's bipolar oblique conformal conic
         df - Van Der Grinten
         dg - Dimaxion
         dh - Cordiform
         dl - Lambert conformal
         zz - Other
          | - No attempt to code
      24 - Undefined
      24 - Prime meridian [OBSOLETE]
         # - Prime meridian not specified
         e - Greenwich
         f - Ferro
         g - Paris
         h - Other [OBSOLETE]
         p - Philadelphia
         w - Washington, D.C.
         z - Other
      25 - Type of cartographic material
         a - Single map
         b - Map series
         c - Map serial
         d - Globe
         e - Atlas
         f - Separate map supplement to another work
         g - Map bound as part of another work
         u - Unknown
         z - Other
         | - No attempt to code
      26-27 - Undefined
      26-27 - Publisher code [OBSOLETE]
      28 - Government publication
         # - Not a government publication
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         o - Government publication--level undetermined
         s - State, provincial, territorial, dependent, etc.
         u - Unknown if item is government publication
         z - Other
         | - No attempt to code
      29 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         r - Regular print reproduction
         s - Electronic
         | - No attempt to code
      30 - Undefined
      31 - Index
         0 - No index
         1 - Index present
         | - No attempt to code
      32 - Undefined
      32 - Citation indicator [OBSOLETE]
      33-34 - Special format characteristics
         # - No specified special format characteristics
         a - Photocopy, blue line print [OBSOLETE]
         b - Photocopy [OBSOLETE]
         c - Negative photocopy [OBSOLETE]
         d - Film negative [OBSOLETE]
         e - Manuscript
         f - Facsimile [OBSOLETE]
         g - Relief model [OBSOLETE]
         h - Rare [OBSOLETE]
         j - Picture card, post card
         k - Calendar
         l - Puzzle
         m - Braille [OBSOLETE]
         n - Game
         o - Wall map
         p - Playing cards
         q - Large print [OBSOLETE]
         r - Loose-leaf
         z - Other
         | - No attempt to code
  008--MUSIC
   Character Positions
      18-19 - Form of composition
         an - Anthems
         bd - Ballads
         bg - Bluegrass music
         bl - Blues
         bt - Ballets
         ca - Chaconnes
         cb - Chants, Other religions
         cc - Chant, Christian
         cg - Concerti grossi
         ch - Chorales
         cl - Chorale preludes
         cn - Canons and rounds
         co - Concertos
         cp - Chansons, polyphonic
         cr - Carols
         cs - Chance compositions
         ct - Cantatas
         cy - Country music
         cz - Canzonas
         df - Dance forms
         dv - Divertimentos, serenades, cassations, divertissements, notturni
         fg - Fugues
         fm - Folk music
         ft - Fantasias
         gm - Gospel music
         hy - Hymns
         jz - Jazz
         mc - Musical revues and comedies
         md - Madrigals
         mi - Minuets
         mo - Motets
         mp - Motion picture music
         mr - Marches
         ms - Masses
         mu - Multiple forms
         mz - Mazurkas
         nc - Nocturnes
         nn - Not applicable
         op - Operas
         or - Oratorios
         ov - Overtures
         pg - Program music
         pm - Passion music
         po - Polonaises
         pp - Popular music
         pr - Preludes
         ps - Passacaglias
         pt - Part-songs
         pv - Pavans
         rc - Rock music
         rd - Rondos
         rg - Ragtime music
         ri - Ricercars
         rp - Rhapsodies
         rq - Requiems
         sd - Square dance music
         sg - Songs
         sn - Sonatas
         sp - Symphonic poems
         st - Studies and exercises
         su - Suites
         sy - Symphonies
         tc - Toccatas
         ts - Trio-sonatas
         uu - Unknown
         vr - Variations
         wz - Waltzes
         zz - Other
         || - No attempt to code
      20 - Format of music
         a - Full score
         b - Full score, miniature or study size
         c - Accompaniment reduced for keyboard
         d - Voice score
         e - Condensed score or piano-conductor score
         g - Close score
         m - Multiple score formats
         n - Not applicable
         u - Unknown
         z - Other
         | - No attempt to code
      21 - Music parts
         # - No parts in hand or not specified
         d - Instrumental and vocal parts
         e - Instrumental parts
         f - Vocal parts
         n - Not applicable
         u - Unknown
         | - No attempt to code
      21 - Existence of parts [OBSOLETE]
         # - No parts exist
         a - Parts exist
         n - Not applicable
         u - Unknown
      22 - Target audience
         # - Unknown or not specified
         a - Preschool
         b - Primary
         c - Pre-adolescent
         d - Adolescent
         e - Adult
         f - Specialized
         g - General
         j - Juvenile
         | - No attempt to code
      23 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         g - Punched paper tape [	]
         h - Magnetic tape [OBSOLETE]
         i - Multimedia [OBSOLETE]
         r - Regular print reproduction
         s - Electronic
         x - Other form of reproduction [OBSOLETE]
         z - Other form of reproduction [OBSOLETE]
         | - No attempt to code
      24-29 - Accompanying matter
         # - No accompanying matter
         a - Discography
         b - Bibliography
         c - Thematic index
         d - Libretto or text
         e - Biography of composer or author
         f - Biography of performer or history of ensemble
         g - Technical and/or historical information on instruments
         h - Technical information on music
         i - Historical information
         j - Historical information other than music [OBSOLETE]
         k - Ethnological information
         n - Not applicable [OBSOLETE]
         r - Instructional materials
         s - Music
         z - Other
         | - No attempt to code
      30-31 - Literary text for sound recordings
         # - Item is a musical sound recording
         a - Autobiography
         b - Biography
         c - Conference proceedings
         d - Drama
         e - Essays
         f - Fiction
         g - Reporting
         h - History
         i - Instruction
         j - Language instruction
         k - Comedy
         l - Lectures, speeches
         m - Memoirs
         n - Not applicable
         o - Folktales
         p - Poetry
         r - Rehearsals
         s - Sounds
         t - Interviews
         z - Other
         | - No attempt to code
      32 - Main entry in body of entry [OBSOLETE]
         0 - Main entry not in body of entry
         1 - Main entry in body of entry
         | - No attempt to code
      32 - Undefined
      33 - Transposition and arrangement
         # - Not arrangement or transposition or not specified
         a - Transposition
         b - Arrangement
         c - Both transposed and arranged
         n - Not applicable
         u - Unknown
         | - No attempt to code 
      34 - Undefined
  008--CONTINUING RESOURCES
   Character Positions
      18 - Frequency
         # - No determinable frequency
         a - Annual
         b - Bimonthly
         c - Semiweekly
         d - Daily
         e - Biweekly
         f - Semiannual
         g - Biennial
         h - Triennial
         i - Three times a week
         j - Three times a month
         k - Continuously updated
         m - Monthly
         q - Quarterly
         s - Semimonthly
         t - Three times a year
         u - Unknown
         w - Weekly
         z - Other
         | - No attempt to code
      19 - Regularity
         n - Normalized irregular
         r - Regular
         u - Unknown
         x - Completely irregular
         | - No attempt to code
      20 - ISSN center [OBSOLETE]
         # - No ISSN center code assigned
         0 - International Center
         1 - United States
         2 - United Kingdom
         3 - Australia [OBSOLETE]
         4 - Canada
         5 - Moscow Regional Centre [OBSOLETE]
         6 - Federal Republic of Germany [OBSOLETE]
         7 - France [OBSOLETE]
         8 - Argentina [OBSOLETE]
         9 - Japan [OBSOLETE]
         u - Unknown [OBSOLETE]
         z - Other
         | - No attempt to code
      21 - Type of continuing resource
         # - None of the following
         d - Updating database
         l - Updating loose-leaf
         m - Monographic series
         n - Newspaper
         p - Periodical
         w - Updating Web site
         | - No attempt to code
      22 - Form of original item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         e - Newspaper format
         f - Braille
         g - Punched paper tape [OBSOLETE]
         h - Magnetic tape [OBSOLETE] 
         i - Multimedia [OBSOLETE]
         s - Electronic
         x - Other physical medium [OBSOLETE]
         z - Other physical medium [OBSOLETE]
         | - No attempt to code
      23 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         g - Punched paper tape [OBSOLETE]
         h - Magnetic tape [OBSOLETE]
         i - Multimedia [OBSOLETE]
         r - Regular print reproduction
         s - Electronic
         z - Other form of reproduction [OBSOLETE]
         | - No attempt to code
      24 - Nature of entire work
         # - No specified nature of entire work
         a - Abstracts/summaries
         b - Bibliographies
         c - Catalogs
         d - Dictionaries
         e - Encyclopedias
         f - Handbooks
         g - Legal articles
         h - Biography
         i - Indexes
         k - Discographies
         l - Legislation
         m - Theses
         n - Surveys of literature in a subject area
         n - Legal cases and case notes [OBSOLETE]
         o - Reviews
         p - Programmed texts
         q - Filmographies
         r - Directories
         s - Statistics
         t - Technical reports
         u - Standards/specifications
         v - Legal cases and case notes
         w - Law reports and digests
         y - Yearbooks [OBSOLETE]
         z - Treaties
         | - No attempt to code
      25-27 - Nature of contents
         # - No specified nature of contents
         a - Abstracts/summaries
         b - Bibliographies
         c - Catalogs
         d - Dictionaries
         e - Encyclopedias
         f - Handbooks
         g - Legal articles
         h - Biography
         i - Indexes
         k - Discographies
         l - Legislation
         m - Theses
         n - Surveys of literature in a subject area
         n - Legal cases and case notes [OBSOLETE]
         o - Reviews
         p - Programmed texts
         q - Filmographies
         r - Directories
         s - Statistics
         t - Technical reports
         u - Standards/specifications
         v - Legal cases and case notes
         w - Law reports and digests
         y - Yearbooks [OBSOLETE]
         z - Treaties
         | - No attempt to code
      28 - Government publication
         # - Not a government publication
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         n - Government publication--level undetermined [OBSOLETE]
         o - Government publication--level undetermined
         s - State, provincial, territorial, dependent,etc.
         u - Unknown if item is government publication
         z - Other
         | - No attempt to code
      29 - Conference publication
         0 - Not a conference publication
         1 - Conference publication
         | - No attempt to code
      30-32 - Undefined
      30 - Title page availability [OBSOLETE]
         # - No separate title page issued
         a - In last issue of volume, loose
         b - In last issue of volume, attached
         c - In first issue of next volume, loose
         d - In first issue of next volume, attached
         e - Published separately, free upon request
         f - Published separately, free, automatically sent
         g - Published separately, purchase, request
         u - Unknown
         z - Other title page availability
         | - No attempt to code
      31 - Index availability [OBSOLETE]
         # - No index published
         a - Each issue contains index to its own contents (no volume index), loose
         b - In last issue of volume, loose, separately paged
         c - In last issue of volume, loose, unpaged
         d - In last issue of volume, attached
         e - In first issue of next volume, loose, separately paged
         f - In first issue of next volume, loose, unpaged
         g - In first issue of next volume, attached
         h - Published separately, free, automatically sent
         i - Published separately, free, upon request
         j - Published separately, bound from publisher, free, automatically sent
         k - Published separately, bound from publisher, free, upon request
         l - Received separately, bound from publisher
         m - Supplement or subseries, indexed in parent journal index
         u - Unknown
         z - Other index availability
         | - No attempt to code
      32 - Cumulative index availability [OBSOLETE]
         0 - No cumulative index available
         1 - Cumulative index available
         u - Unknown
         | - No attempt to code
      33 - Original alphabet or script of title
         # - No alphabet or script given/no key title
         a - Basic roman
         b - Extended roman
         c - Cyrillic
         d - Japanese
         e - Chinese
         f - Arabic
         g - Greek
         h - Hebrew
         i - Thai
         j - Devanagari
         k - Korean
         l - Tamil
         u - Unknown
         z - Other
         | - No attempt to code
      34 - Entry convention
         0 - Successive entry
         1 - Latest entry
         2 - Integrated entry
         | - No attempt to code
  008--VISUAL MATERIALS
   Character Positions
      18-20 - Running time for motion pictures and videorecordings
         000 - Running time exceeds three characters
         001-999 - Running time
         --- - Running time unknown
         nnn - Not applicable
         ||| - No attempt to code
      21 - Undefined
      21 - In LC collection [OBSOLETE]
         # - Not in LC
         a - In LC, print note
         b - In LC, do not print note
         u - Unknown
      22 - Target audience
         # - Unknown or not specified
         a - Preschool
         b - Primary
         c - Pre-adolescent
         d - Adolescent
         e - Adult
         f - Specialized
         g - General
         j - Juvenile
         | - No attempt to code
      23-27 - Undefined
      23-27 - Accompanying matter [OBSOLETE]
         # - No accompanying matter
         0 - No [OBSOLETE]
         1 - Yes [OBSOLETE]
         l - Stills
         m - Script material
         o - Posters
         p - Pressbooks
         q - Lobby cards
         r - Instructional materials
         s - Music
         z - Other
         | - No attempt to code
      28 - Government publication
         # - Not a government publication
         a - Autonomous or semi-autonomous component
         c - Multilocal
         f - Federal/national
         i - International intergovernmental
         l - Local
         m - Multistate
         n - Government publication--level undetermined [OBSOLETE]
         o - Government publication--level undetermined
         s - State, provincial, territorial, dependent, etc.
         u - Unknown if item is government publication
         z - Other
         | - No attempt to code
      29 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         r - Regular print reproduction
         s - Electronic
         | - No attempt to code
      30-32 - Undefined
      32 - Main entry in body of entry [OBSOLETE]
         0 - Main entry not in body of entry
         1 - Main entry in body of entry
         | - No attempt to code
      33 - Type of visual material
         a - Art original
         b - Kit
         c - Art reproduction
         d - Diorama
         e - Electronic videorecording [OBSOLETE]
         f - Filmstrip
         g - Game
         i - Picture
         k - Graphic
         l - Technical drawing
         m - Motion picture
         n - Chart
         o - Flash card
         p - Microscope slide
         q - Model
         r - Realia
         s - Slide
         t - Transparency
         v - Videorecording
         w - Toy
         z - Other
         | - No attempt to code
      34 - Technique
         # - Not applicable [OBSOLETE]
         a - Animation
         c - Animation and live action
         l - Live action
         n - Not applicable
         u - Unknown
         z - Other technique
         | - No attempt to code
  008--MIXED MATERIALS
   Character Positions
      18-22 - Undefined
      23 - Form of item
         # - None of the following
         a - Microfilm
         b - Microfiche
         c - Microopaque
         d - Large print
         f - Braille
         g - Punched paper tape [OBSOLETE]
         h - Magnetic tape [OBSOLETE]
         i - Multimedia [OBSOLETE]
         j - Handwritten transcript [OBSOLETE]
         p - Photocopy [OBSOLETE]
         r - Regular print reproduction
         s - Electronic
         t - Typewritten transcript [OBSOLETE]
         z - Other form of reproduction [OBSOLETE]
         | - No attempt to code
      24-34 - Undefined
      30 - Case file indicator [OBSOLETE]
         # - No case file exists
         c - Case file exists
      32 - Processing status code [OBSOLETE]
         a - Collection not in library
         b - Completely processed
         c - Processed but with unprocessed additions
         d - Requires processing
         e - Totally unprocessed
         f - Under total cloture
         u - Unknown
      33 - Collection status code [OBSOLETE]
         a - Discrete grouping of material
         b - Accession
         c - Active solicitation
         d - Solicitation unsuccessful
         e - Information file only
         u - Unknown
      34 - Level of collection control code [OBSOLETE]
         a - Control on collection level
         b - Control by series
         c - Control by container
         d - Control by folder
         e - Control by item
         u - Unknown
  009 - PHYSICAL DESCRIPTION FIXED-FIELD FOR ARCHIVAL COLLECTION (VM) - [OBSOLETE]
   Character Positions
      00 - Genealogical stage
      01 - Technical stage
      02 - Color stage
      03 - Film emulsion
      04 - Film base
      05 - Negative or positive sound
      06 - Additional types of color
      07 - Longitudinal shrinkage
      08 - Perforation shrinkage
      09 - Film deterioration
      10 - Completeness
      11-14 - Film inspection date
--Number and Code Fields (01X-04X)--
  010 - LIBRARY OF CONGRESS CONTROL NUMBER (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - LC control number (NR)
      $b - NUCMC control number (R)
      $z - Canceled/invalid LC control number (R)
      $8 - Field link and sequence number (R)
  011 - LINKING LIBRARY OF CONGRESS CONTROL NUMBER (NR) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - LINKING LC control number (R)
  013 - PATENT CONTROL INFORMATION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Number (NR)
      $b - Country (NR)
      $c - Type of number (NR)
      $d - Date (R)
      $e - Status (R)
      $f - Party to document (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  015 - NATIONAL BIBLIOGRAPHY NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - National bibliography number (R)
      $z - Canceled/Invalid national bibliography number (R)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  016 - NATIONAL BIBLIOGRAPHIC AGENCY CONTROL NUMBER (R)
   Indicators
      First - National bibliographic agency
         # - Library and Archives Canada 
         7 - Agency identified in subfield $2
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Record control number (NR)
      $z - Canceled or invalid record control number (R)
      $2 - Source (NR)
      $8 - Field link and sequence number (R)   
  017 - COPYRIGHT OR LEGAL DEPOSIT NUMBER (R)
   Indicators
      First - Government jurisdiction (BK MP MU VM)[OBSOLETE]
         0 - United States [OBSOLETE]
         1 - Canada [OBSOLETE] [CAN/MARC only]
         2 - France [OBSOLETE] [CAN/MARC only]
      First - Undefined
         # - Undefined
      Second - Undefined [OBSOLETE]
         # - Undefined [OBSOLETE]
      Second - Display constant controller
         # - Copyright or legal deposit number
         8 - No display constant controller generated
   Subfield Code
      $a - Copyright or legal deposit number (R)
      $b - Assigning agency (NR)
      $d - Date (NR)
      $i - Display text (NR)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  018 - COPYRIGHT ARTICLE-FEE CODE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Copyright article-fee code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  020 - INTERNATIONAL STANDARD BOOK NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - International Standard Book Number (NR)
      $c - Terms of availability (NR)
      $z - Canceled/invalid ISBN (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  022 - INTERNATIONAL STANDARD SERIAL NUMBER (R)
   Indicators
      First - Level of international interest
         # - No level specified
         0 - Serial of international interest
         1 - Serial not of international interest
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - International Standard Serial Number (NR)
      $l - ISSN-L (NR)
      $m - Canceled ISSN-L (R)
      $y - Incorrect ISSN (R)
      $z - Canceled ISSN (R)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  024 - OTHER STANDARD IDENTIFIER (R)
   Indicators
      First - Type of standard number or code
         0 - International Standard Recording Code (ISRC)
         1 - Universal Product Code (UPC) 
         2 - International Standard Music Number (ISMN) 
         3 - International Article Number (EAN) 
         4 - Serial Item and Contribution Identifier (SICI) 
         7 - Source specified in subfield $2
         8 - Unspecified type of standard number or code
      Second - Difference indicator
         # - No information provided
         0 - No difference
         1 - Difference
   Subfield Codes
      $a - Standard number or code (NR)
      $c - Terms of availability (NR)
      $d - Additional codes following the standard number or code (NR)
      $z - Canceled/invalid standard number or code (R)
      $2 - Source of number or code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  025 - OVERSEAS ACQUISITION NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Overseas acquisition number (R)
      $8 - Field link and sequence number (R)   
  026 - FINGERPRINT IDENTIFIER (R)
   Indicators
       First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - First and second groups of characters (R)
      $b - Third and fourth groups of characters (R)
      $c - Date (NR)
      $d - Number of volume or part (R)
      $e - Unparsed fingerprint (NR)
      $2 - Source (NR)
      $5 - Institution to which field applies (R) 
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  027 - STANDARD TECHNICAL REPORT NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Standard technical report number (NR)
      $z - Canceled/invalid number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  028 - PUBLISHER NUMBER (R)
   Indicators
      First - Type of publisher number
         0 - Issue number
         1 - Matrix number
         2 - Plate number
         3 - Other music number
         4 - Videorecording number
         5 - Other publisher number
      Second - Note/added entry controller
         0 - No note, no added entry
         1 - Note, added entry
         2 - Note, no added entry
         3 - No note, added entry
   Subfield Codes
      $a - Publisher number (NR)
      $b - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  030 - CODEN DESIGNATION (R) 
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - CODEN (NR)
      $z - Canceled/invalid CODEN (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  031 - MUSICAL INCIPITS INFORMATION (R) 
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Number of work (NR)
      $b - Number of movement (NR)
      $c - Number of excerpt (NR)
      $d - Caption or heading (R)
      $e - Role  (NR)
      $g - Clef  (NR)
      $m - Voice/instrument (NR)
      $n - Key signature (NR)
      $o - Time signature (NR)
      $p - Musical notation (NR)
      $q - General note (R)
      $r - Key or mode (NR)
      $s - Coded validity note (R)
      $t - Text incipit (R)
      $u - Uniform Resource Identifier (R)
      $y - Link text (R)
      $z - Public note (R)
      $2 - System code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  032 - POSTAL REGISTRATION NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Postal registration number (NR)
      $b - Source (agency assigning number) (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  033 - DATE/TIME AND PLACE OF AN EVENT (R)
   Indicators
      First - Type of date in subfield $a
         # - No date information
         0 - Single date
         1 - Multiple single dates
         2 - Range of dates
      Second - Type of event
         # - No information provided
         0 - Capture
         1 - Broadcast
         2 - Finding
   Subfield Codes
      $a - Formatted date/time (R)
      $b - Geographic classification area code (R)
      $c - Geographic classification subarea code (R)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  034 - CODED CARTOGRAPHIC MATHEMATICAL DATA (R)
   Indicators
      First - Type of scale
         0 - Scale indeterminable/No scale recorded
         1 - Single scale
         3 - Range of scales
      Second - Type of ring
         # - Not applicable
         0 - Outer ring
         1 - Exclusion ring
   Subfield Codes
      $a - Category of scale (NR)
         a - Linear scale 
         b - Angular scale
         z - Other type of scale
      $b - Constant ratio linear horizontal scale (R)
      $c - Constant ratio linear vertical scale (R)
      $d - Coordinates--westernmost longitude (NR)
      $e - Coordinates--easternmost longitude (NR)
      $f - Coordinates--northernmost latitude (NR)
      $g - Coordinates--southernmost latitude (NR)
      $h - Angular scale (R)
      $j - Declination--northern limit (NR)
      $k - Declination--southern limit (NR)
      $m - Right ascension--eastern limit (NR)
      $n - Right ascension--western limit (NR)
      $p - Equinox (NR)
      $r - Distance from earth  (NR)
      $s - G-ring latitude (R)
      $t - G-ring longitude (R)
      $x - Beginning date (NR)
      $y - Ending date (NR)
      $z - Name of extraterrestrial body  (NR)
      $2 - Source  (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  035 - SYSTEM CONTROL NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - System control number (NR)
      $z - Canceled/invalid control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  036 - ORIGINAL STUDY NUMBER FOR COMPUTER DATA FILES (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Original study number (NR)
      $b - Source (agency assigning number) (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  037 - SOURCE OF ACQUISITION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Stock number (NR)
      $b - Source of stock number/acquisition (NR)
      $c - Terms of availability (R)
      $f - Form of issue (R)
      $g - Additional format characteristics (R)
      $n - Note (R)
      $6 - Linkage (NR)
       $8 - Field link and sequence number (R) 
  038 - RECORD CONTENT LICENSOR (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Record content licensor (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  040 - CATALOGING SOURCE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Original cataloging agency (NR)
      $b - Language of cataloging (NR)
      $c - Transcribing agency (NR)
      $d - Modifying agency (R)
      $e - Description conventions (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  041 - LANGUAGE CODE (R)
   Indicators
      First - Translation indication
         0 - Item not a translation/does not include a translation
         1 - Item is or includes a translation
      Second - Source of code
         # - MARC language code
         7 - Source specified in subfield $2 
   Subfield Codes
      $a - Language code of text/sound track or separate title (R)
      $b - Language code of summary or abstract (R)
      $c - Languages of separate titles (VM) [OBSOLETE]
      $c - languages of available translation (SE) [OBSOLETE]
      $d - Language code of sung or spoken text (R)
      $e - Language code of librettos (R)
      $f - Language code of table of contents (R)
      $g - Language code of accompanying material other than librettos (R)
      $h - Language code of original and/or intermediate translations of text (R)
      $j - Language code of subtitles or captions (R)
      $2 - Source of code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  042 - AUTHENTICATION CODE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Authentication code (R)
         dc - Dublin Core 
         dhca - Dance Heritage Coalition Access Project
         gamma - Georgia Archives & Manuscripts Automated Access Project
         gils - Government Information Location Service
         isds/c - ISSN Canada
         lc - Library of Congress
         lcac - LC Annotated Children's Cataloging Program
         lccopycat - LC copy cataloging
         lccopycat-nm - LC copy cataloging-Near Match
         lcd - CONSER full authority application
         lcderive - LC derived cataloging
         lchlas - Handbook of Latin American Studies
         lcllh - LC Law Library Hispanic
         lcnccp - LC National Coordinated Cataloging Program
         lcnitrate - LC nitrate film
         lcnuc - National Union Catalog
         lcode - LC overseas data entry
         msc - CONSER minimal authority application
         nlc - National Library of Canada 
         nlmcopyc - National Library of Medicine copy cataloging
         nsdp - National Serial Data Program
         ntccf - LC National Translations Center citation file
         pcc - Program for Cooperative Cataloging
         premarc - LC PreMARC Retrospective Conversion Project
         sanb - South African National Bibliography Project
         xisds/c - ISSN Canada does not consider item a serial
         xlc - LC does not consider item a serial
         xnlc - NLC does not consider item a serial
         xnsdp - NSDP does not consider item a serial   
  043 - GEOGRAPHIC AREA CODE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Geographic area code (R)
      $b - Local GAC code (R)
      $c - ISO code (R)
      $2 - Source of local code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  044 - COUNTRY OF PUBLISHING/PRODUCING ENTITY CODE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - MARC country code (R)
      $b - Local subentity code (R)
      $c - ISO country code (R)
      $2 - Source of local subentity code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  045 - TIME PERIOD OF CONTENT (NR)
   Indicators 
      First - Type of time period in subfield $b or $c
         # - Subfield $b or $c not present
         0 - Single date/time
         1 - Multiple single dates/times
         2 - Range of dates/times
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Time period code (R)
      $b - Formatted 9999 B.C. through C.E. time period (R)
      $c - Formatted pre-9999 B.C. time period (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  046 - SPECIAL CODED DATES (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Type of date code (NR)
          i - Inclusive dates of collection
          k - Bulk of collection
          m - Multiple dates
          n - Unknown dates
          p - Distribution/release/issue and production/recording session dates
          q - Questionable date
          r - Reissue and originaldates
          s - Single known/probable date
          t - Publication date and copyright dates
          x - Incorrect dates
      $b - Date 1 (B.C. date) (NR)
      $c - Date 1 (C.E. date) (NR)
      $d - Date 2 (B.C. date) (NR)
      $e - Date 2 (C.E. date) (NR)
      $j - Date resource modified (NR)
      $k - Beginning or single date created (NR)
      $l - Ending date created (NR)
      $m - Beginning of date valid (NR)
      $n - End of date valid (NR)
      $2 - Source of date (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  047 - FORM OF MUSICAL COMPOSITION CODE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of code
         # - MARC musical composition code
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Form of musical composition code (R)
      $2 - Source of code (NR)
      $8 - Field link and sequence number (R)
  048 - NUMBER OF MUSICAL INSTRUMENTS OR VOICES CODE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source of code
         # - MARC code
         7 - Source specified in subfield $2
   Subfield Codes
      $a - Performer or ensemble (R)
      $b - Soloist (R)
      $2 - Source of code (NR)
      $8 - Field link and sequence number (R)
   Instrument or Voices Codes 
      ba - Brass - Horn
      bb - Brass--Trumpet
      bc - Brass--Cornet
      bd - Brass--Trombone
      be - Brass--Tuba
      bf - Brass--Baritone
      bn - Brass--Unspecified
      bu - Brass--Unknown
      by - Brass--Ethnic
      bz - Brass--Other
      ca - Choruses--Mixed
      cb - Choruses--Women's
      cc - Choruses--Men's
      cd - Choruses--Children's
      cn - Choruses--Unspecified
      cu - Choruses--Unknown
      cy - Choruses--Ethnic
      ea - Electronic--Synthesizer
      eb - Electronic--Tape
      ec - Electronic--Computer
      ed - Electronic--Ondes Martinot
      en - Electronic--Unspecified
      eu - Electronic--Unknown
      ez - Electronic--Other
      ka - Keyboard--Piano
      kb - Keyboard--Organ  
      kc - Keyboard--Harpsichord
      kd - Keyboard--Clavichord
      ke - Keyboard--Continuo
      kf - Keyboard--Celeste
      kn - Keyboard--Unspecified
      ku - Keyboard--Unknown
      ky - Keyboard--Ethnic
      kz - Keyboard--Other
      oa - Larger ensemble--Full orchestra
      ob - Larger ensemble--Chamber orch.
      oc - Larger ensemble--String orchestra
      od - Larger ensemble--Band
      oe - Larger ensemble--Dance orchestra
      of - Larger ensemble--Brass band
      on - Larger ensemble--Unspecified
      ou - Larger ensemble--Unknown
      oy - Larger ensemble--Ethnic
      oz - Larger ensemble--Other
      pa - Percussion--Timpani
      pb - Percussion--Xylophone
      pc - Percussion--Marimba
      pd - Percussion--Drum
      pn - Percussion--Unspecified
      pu - Percussion--Unknown
      py - Percussion--Ethnic
      pz - Percussion--Other
      sa - Strings, bowed--Violin
      sb - Strings, bowed--Viola
      sc - Strings, bowed--Violoncello
      sd - Strings, bowed--Double bass
      se - Strings, bowed--Viol
      sf - Strings, bowed--Viola d'amore
      sg - Strings, bowed--Viola da gamba
      sn - Strings, bowed--Unspecified
      su - Strings, bowed--Unknown
      sy - Strings, bowed--Ethnic
      sz - Strings, bowed--Other
      ta - Strings, plucked--Harp
      tb - Strings, plucked--Guitar
      tc - Strings, plucked--Lute
      td - Strings, plucked--Mandolin
      tn - Strings, plucked--Unspecified
      tu - Strings, plucked--Unknown
      ty - Strings, plucked--Ethnic
      tz - Strings, plucked--Other
      va - Voices--Soprano
      vb - Voices--Mezzo Soprano
      vc - Voices--Alto
      vd - Voices--Tenor
      ve - Voices--Baritone
      vf - Voices--Bass
      vg - Voices--Counter tenor
      vh - Voices--High voice
      vi - Voices--Medium voice
      vj - Voices--Low voice
      vn - Voices--Unspecified
      vu - Voices--Unknown
      vy - Voices--Ethnic
      wa - Woodwinds--Flute
      wb - Woodwinds--Oboe
      wc - Woodwinds--Clarinet
      wd - Woodwinds--Bassoon
      we - Woodwinds--Piccolo
      wf - Woodwinds--English horn
      wg - Woodwinds--Bass clarinet
      wh - Woodwinds--Recorder
      wi - Woodwinds--Saxophone
      wn - Woodwinds--Unspecified
      wu - Woodwinds--Unknown
      wy - Woodwinds--Ethnic
      wz - Woodwinds--Other
      zn - Unspecified instruments
      zu - Unknown

--Classification and Call Number Fields (05X-08X)--
  050 - LIBRARY OF CONGRESS CALL NUMBER (R)
   Indicators
      First - Existence in LC collection
         # - No information provided
         0 - Item is in LC
         1 - Item is not in LC
      Second - Source of call number
         # - No information provided [OBSOLETE]
         0 - Assigned by LC
         4 - Assigned by agency other than LC
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $d - Supplementary class number (MU) [OBSOLETE]
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  051 - LIBRARY OF CONGRESS COPY, ISSUE, OFFPRINT STATEMENT (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $c - Copy information (NR)
      $8 - Field link and sequence number (R)
  052 - GEOGRAPHIC CLASSIFICATION (R)
   Indicators
      First - Code source
         # - Library of Congress Classification
         0 - U.S. Dept. of Defense Classification [OBSOLETE]
         1 - U.S. Dept. of Defense Classification
         7 - Source specified in subfield $2
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Geographic classification area code (NR)
      $b - Geographic classification subarea code (R)
      $c - Subject (MP) [OBSOLETE]
      $d - Populated place name (R)
      $2 - Code source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  055 - CLASSIFICATION NUMBERS ASSIGNED IN CANADA (R)
   Indicators
      First - Existence in LAC collection
         # - Information not provided
         0 - Work held by LAC
         1 - Work not held by LAC
      Second - Type, completeness, source of class/call number
         0 - LC-based call number assigned by LAC
         1 - Complete LC class number assigned by LAC
         2 - Incomplete LC class number assigned by LAC
         3 - LC-based call number assigned by the contributing library
         4 - Complete LC class number assigned by the contributing library
         5 - Incomplete LC class number assigned by the contributing library
         6 - Other call number assigned by LAC
         7 - Other class number assigned by LAC
         8 - Other call number assigned by the contributing library
         9 - Other class number assigned by the contributing library
   Subfield Codes
      $a - Classification number (NR)
      $b - Item number (NR)
      $2 - Source of call/class number (NR)
      $8 - Field link and sequence number (R)  
  060 - NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)
   Indicators
      First - Existence in NLM collection
         # - No information provided
         0 - Item is in NLM
         1 - Item is not in NLM
      Second - Source of call number
         # - No information provided [OBSOLETE]
         0 - Assigned by NLM
         4 - Assigned by agency other than NLM
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $8 - Field link and sequence number (R)
  061 - NATIONAL LIBRARY OF MEDICINE COPY STATEMENT (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $c - Copy information (NR)
      $8 - Field link and sequence number (R)
  066 - CHARACTER SETS PRESENT (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Primary G0 character set (NR)
      $b - Primary G1 character set (NR)
      $c - Alternate G0 or G1 character set (R)
  070 - NATIONAL AGRICULTURAL LIBRARY CALL NUMBER (R)
   Indicators
      First - Existence in NAL collection
         0 - Item is in NAL
         1 - Item is not in NAL
      Second - Undefined
         # - Undefined
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $8 - Field link and sequence number (R)  
  071 - NATIONAL AGRICULTURAL LIBRARY COPY STATEMENT (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
      Second - Series call number (SE) [OBSOLETE]
         0 - No series involved
         1 - Main series
         2 - Subseries
         3 - Sub-subseries
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $c - Copy information (NR)
      $8 - Field link and sequence number (R)
  072 - SUBJECT CATEGORY CODE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Source specified in subfield $2
         0 - NAL subject category code list
         7 - Code source specified in subfield $2
   Subfield Codes
      $a - Subject category code (NR)
      $x - Subject category code subdivision (R)
      $2 - Source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  074 - GPO ITEM NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - GPO item number (NR)
      $z - Canceled/invalid GPO item number (R)
      $8 - Field link and sequence number (R)  
  080 - UNIVERSAL DECIMAL CLASSIFICATION NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Universal Decimal Classification number (NR)
      $b - Item number (NR)
      $x - Common auxiliary subdivision (R)
      $2 - Edition identifier (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  082 - DEWEY DECIMAL CLASSIFICATION NUMBER (R)
   Indicators
      First - Type of edition
         # - No edition information recorded (BK CF MU VM SE) [OBSOLETE]
         0 - Full edition
         1 - Abridged edition
         2 - Abridged NST version (BK MU VM SE) [OBSOLETE]
      Second - Source of classification number
         # - No information provided
         0 - Assigned by LC
         4 - Assigned by agency other than LC
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $b - DDC number--abridged NST version (SE) [OBSOLETE]
      $2 - Edition number (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  084 - OTHER CLASSIFICATION NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number (R)
      $b - Item number (NR)
      $2 - Source of number (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  086 - GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (R)
   Indicators
      First - Number source
         # - Source specified in subfield $2
         # - Undefined (BK MP MU VM SE) [OBSOLETE]
         0 - Superintendent of Documents Classification System
         1 - Government of Canada Publications: Outline of Classification
      First - Government jurisdiction (BK MP MU VM SE) [OBSOLETE]
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Classification number (NR)
      $z - Canceled/invalid classification number (R)
      $2 - Number source (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  088 - REPORT NUMBER (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Report number (NR)
      $z - Canceled/invalid report number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  090 - LOCAL CALL NUMBER (BK AM CF MP MU VM SE) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Local class number (NR)
      $b - Local Cutter number (NR)
  090 - SHELF LOCATION (AM)[OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Shelf location (NR)
  091 - MICROFILM SHELF LOCATION (AM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Microfilm shelf location (NR)

--Main Entry Fields (1XX)--
  100 - MAIN ENTRY--PERSONAL NAME (NR)
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         2 - Multiple surname [OBSOLETE]
         3 - Family name
      Second - Undefined
         # - Undefined
      Second - Main entry/subject relationship (BK MU SE) [OBSOLETE]
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR)
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $j - Attribution qualifier (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR)
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $0 - Authority record control number (R)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  110 - MAIN ENTRY--CORPORATE NAME (NR)
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Main entry/subject relationship (BK MU SE) [OBSOLETE]
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (NR)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $0 - Authority record control number (R)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  111 - MAIN ENTRY--MEETING NAME (NR)
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name 
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Undefined
         # - Undefined
      Second - Main entry/subject relationship (BK MU SE) [OBSOLETE]
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $b - Number (BK CF MP MU SE VM MX) [OBSOLETE]
      $c - Location of meeting (NR)
      $d - Date of meeting (NR)
      $e - Subordinate unit (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $j - Relator term (R)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $q - Name of meeting following jurisdiction name entry element (NR)
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $0 - Authority record control number (R)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  130 - MAIN ENTRY--UNIFORM TITLE (NR)
   Indicators 
      First - Nonfiling characters
         0-9 - Number of nonfiling characters present
         # - Nonfiling characters not specified [OBSOLETE]
      Second - Undefined
         # - Undefined
      Second - Main entry/subject relationship (BK MU SE) [OBSOLETE]
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $t - Title of a work (NR)
      $0 - Authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

--Title and Title-Related Fields (20X-24X)--
  210 - ABBREVIATED TITLE (R)
   Indicators
      First - Title added entry
         0 - No added entry
         1 - Added entry
      Second - Type
         # - Abbreviated key title
         0 - Other abbreviated title
   Subfield Codes
      $a - Abbreviated title (NR)
      $b - Qualifying information (NR)
      $2 - Source (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  211 - ACRONYM OR SHORTENED TITLE (R) [OBSOLETE]
   Indicators
      First - Title added entry
         0 - No title added entry
         1 - Title added entry
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters present
   Subfield Codes
      $a - Acronym or shortened title (NR)
      $6 - Linkage (NR)
  212 - VARIANT ACCESS TITLE (R) [OBSOLETE]
   Indicators
      First - Title added entry
         0 - No title added entry
         1 - Title added entry
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Variant access title (NR)
      $6 - Linkage (NR)
  214 - AUGMENTED TITLE (R) [OBSOLETE]
   Indicators
      First - Title added entry
         0 - No title added entry
         1 - Title added entry
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters present
   Subfield Codes
      $a - Augmented title (NR)
      $6 - Linkage (NR)
  222 - KEY TITLE (R)
   Indicators
      First - Undefined
         # - Undefined
      First - Specifies whether variant title and/or added entry is required
              (CF SE) [OBSOLETE]
         0 - No key title added entry; title proper same
         1 - Key title added entry; title proper different
         2 - Key title added entry; title proper same
         3 - No key title added entry; title proper different
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Key title (NR)
      $b - Qualifying information (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  240 - UNIFORM TITLE (NR)
   Indicators
      First - Uniform title printed or displayed
         0 - Not printed or displayed
         1 - Printed or displayed
         2 - Not printed on card, title added entry (MU) [OBSOLETE]
         3 - Printed on card, title added entry (MU) [OBSOLETE]
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $0 - Authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  241 - ROMANIZED TITLE (BK AM CF MP MU VM) (NR) [OBSOLETE]
   Indicators
      First - Title added entry
         0 - No title added entry
         1 - Title added entry
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Romanized title (NR)
      $h - Medium (NR)
  242 - TRANSLATION OF TITLE BY CATALOGING AGENCY (R)
   Indicators
      First - Title added entry
         0 - No added entry
         1 - Added entry
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Title (NR)
      $b - Remainder of title (NR)
      $c - Statement of responsibility, etc. (NR)
      $d - Designation of section (BK AM MP MU VM SE) [OBSOLETE]
      $e - Name of part/section (BK AM MP MU VM SE) [OBSOLETE]
      $h - Medium (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $y - Language code of translated title (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  243 - COLLECTIVE UNIFORM TITLE (NR)
   Indicators 
      First - Uniform title printed or displayed
         0 - Not printed or displayed
         1 - Printed or displayed
         2 - Not printed on card, title added entry (MU) [OBSOLETE]
         3 - Printed on card, title added entry (MU) [OBSOLETE]
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Uniform title (NR)
      $d - Date of treaty signing (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $m - Medium of performance for music (R)
      $n - Number of part/section of a work (R)
      $o - Arranged statement for music (NR)
      $p - Name of part/section of a work (R)
      $r - Key for music (NR)
      $s - Version (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  245 - TITLE STATEMENT (NR)
   Indicators
      First - Title added entry
         0 - No added entry
         1 - Added entry
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters
   Subfield Codes
      $a - Title (NR)
      $b - Remainder of title (NR)
      $c - Statement of responsibility, etc. (NR)
      $d - Designation of section (SE) [OBSOLETE]
      $e - Name of part/section (SE) [OBSOLETE]
      $f - Inclusive dates (NR)
      $g - Bulk dates (NR)
      $h - Medium (NR)
      $k - Form (R)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $s - Version (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  246 - VARYING FORM OF TITLE (R)
   Indicators
      First - Note/added entry controller
         0 - Note, no added entry
         1 - Note, added entry
         2 - No note, no title added entry
         3 - No note, added entry 
      Second - Type of title
         # - No type specified
         0 - Portion of title
         1 - Parallel title
         2 - Distinctive title
         3 - Other title
         4 - Cover title
         5 - Added title page title
         6 - Caption title
         7 - Running title
         8 - Spine title
   Subfield Codes
      $a - Title proper/short title (NR)
      $b - Remainder of title (NR)
      $d - Designation of section (SE) [OBSOLETE]
      $e - Name of part/section (SE) [OBSOLETE]
      $f - Date or sequential designation (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $i - Display text (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $5 - Institution to which field applies (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  247 - FORMER TITLE (R)
   Indicators
      First - Title added entry
         0 - No added entry
         1 - Added entry
      Second - Note controller
         0 - Display note
         1 - Do not display note
   Subfield Codes
      $a - Title (NR)
      $b - Remainder of title (NR)
      $d - Designation of section (SE) [OBSOLETE]
      $e - Name of part/section (SE) [OBSOLETE]
      $f - Date or sequential designation (NR)
      $g - Miscellaneous information (NR)
      $h - Medium (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $x - International Standard Serial Number (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)

--Edition, Imprint, etc. Fields 250-270--
  250 - EDITION STATEMENT (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Edition statement (NR)
      $b - Remainder of edition statement (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  254 - MUSICAL PRESENTATION STATEMENT (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Musical presentation statement (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  255 - CARTOGRAPHIC MATHEMATICAL DATA (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Statement of scale (NR)
      $b - Statement of projection (NR)
      $c - Statement of coordinates (NR)
      $d - Statement of zone (NR)
      $e - Statement of equinox (NR)
      $f - Outer G-ring coordinate pairs (NR)
      $g - Exclusion G-ring coordinate pairs (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  256 - COMPUTER FILE CHARACTERISTICS (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Computer file characteristics (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  257 - COUNTRY OF PRODUCING ENTITY FOR ARCHIVAL FILMS (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Country of producing entity (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  258 - PHILATELIC ISSUE DATE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Issuing jurisdiction (NR)
      $b - Denomination (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  260 - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) (R)
   Indicators
      First - Sequence of publishing statements
         # - Not applicable/No information provided/Earliest available publisher
         2 - Intervening publisher
         3 - Current/latest publisher
      Second - Undefined
         # - Undefined
      First - Presence of publisher in imprint (BK MP MU SE) [OBSOLETE]
         0 - Publisher, distributor, etc. is present
         1 - Publisher, distributor, etc. is not present
      Second - Added entry/publisher relationship (SE) [OBSOLETE]
         0 - Publisher, distributor, etc. not same as issuing body in added entry
         1 - Publisher, distributor, etc. same as issuing body in added entry
   Subfield Codes
      $a - Place of publication, distribution, etc. (R)
      $b - Name of publisher, distributor, etc. (R)
      $c - Date of publication, distribution, etc. (R)
      $d - Plate or publisher's number for music (Pre-AACR 2) (NR) [LOCAL]
      $e - Place of manufacture (R)
      $f - Manufacturer (R)
      $g - Date of manufacture (R)
      $3 - Materials specified (NR)
          $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  261 - IMPRINT STATEMENT FOR FILMS (Pre-AACR 1 Revised) (NR) [LOCAL]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Producing company (R)
      $b - Releasing company (primary distributor) (R)
      $d - Date of production, release, etc. (R)
      $e - Contractual producer (R)
      $f - Place of production, release, etc. (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  262 - IMPRINT STATEMENT FOR SOUND RECORDINGS (Pre-AACR 2) (NR) [LOCAL]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Place of production, release, etc. (NR)
      $b - Publisher or trade name (NR)
      $c - Date of production, release, etc. (NR)
      $k - Serial identification (NR)
      $l - Matrix and/or take number (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  263 - PROJECTED PUBLICATION DATE (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Projected publication date (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  265 - SOURCE FOR ACQUISITION/SUBSCRIPTION ADDRESS (NR) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Source for acquisition/subscription address (R)
      $6 - Linkage (NR)
  270 - ADDRESS (R)
   Indicators
      First - Level
         # - No level specified
         1 - Primary
         2 - Secondary
      Second - Type of address
         # - No type specified
         0 - Mailing
         7 - Type specified in subfield $i
   Subfield Codes
      $a - Address (R)
      $b - City (NR)
      $c - State or province (NR)
      $d - Country (NR)
      $e - Postal code (NR)
      $f - Terms preceding attention name (NR)
      $g - Attention name (NR)
      $h - Attention position (NR)
      $i - Type of address (NR)
      $j - Specialized telephone number (R)
      $k - Telephone number (R)
      $l - Fax number (R)
      $m - Electronic mail address (R)
      $n - TDD or TTY number (R)
      $p - Contact person (R)
      $q - Title of contact person (R)
      $r - Hours (R)
      $z - Public note (R)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
          
--Physical Description, etc. Fields (3XX)--
  300 - PHYSICAL DESCRIPTION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Extent (R)
      $b - Other physical details (NR)
      $c - Dimensions (R)
      $e - Accompanying material (NR)
      $f - Type of unit (R)
      $g - Size of unit (R)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  301 - PHYSICAL DESCRIPTION FOR FILMS (PRE-AACR 2) (VM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Extent of item (NR)
      $b - Sound characteristics (NR)
      $c - Color characteristics (NR)
      $d - Dimensions (NR)
      $e - Accompanying material (NR)
      $f - Speed (NR)
  302 - PAGE OR ITEM COUNT (BK AM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Page count (NR)
  303 - UNIT COUNT (AM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Unit count (NR)
  304 - LINEAR FOOTAGE (AM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Linear footage (NR)
  305 - PHYSICAL DESCRIPTION FOR SOUND RECORDINGS (Pre-AACR 2) (MU) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Extent (NR)
      $b - Other physical details (NR)
      $c - Dimensions (NR)
      $d - Microgroove or standard (NR)
      $e - Stereophonic, monaural (NR)
      $f - Number of tracks (NR)
      $m - Serial identification (NR)
      $n - Matrix and/or take number (NR)
      $6 - Linkage (NR)
  306 - PLAYING TIME (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Playing time (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  307 - HOURS, ETC. (R)
   Indicators
      First - Display constant controller
         # - Hours
         8 - No display constant generated
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Hours (NR)
      $b - Additional information (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  308 - PHYSICAL DESCRIPTION FOR FILMS (ARCHIVAL) (VM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Number of reels (NR)
      $b - Footage (NR)
      $c - Sound characteristics (NR)
      $d - Color characteristics (NR)
      $e - Width (NR)
      $f - Presentation format (NR)
      $6 - Linkage (NR)
  310 - CURRENT PUBLICATION FREQUENCY (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Current publication frequency (NR)
      $b - Date of current publication frequency (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  315 - FREQUENCY (NR) (CF MP) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Frequency (R)
      $b - Dates of frequency (R)
      $6 - Linkage (NR)
 321 - FORMER PUBLICATION FREQUENCY (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Former publication frequency (NR)
      $b - Dates of former publication frequency (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  340 - PHYSICAL MEDIUM (R)
   Indicators 
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Material base and configuration (R)
      $b - Dimensions (R)
      $c - Materials applied to surface (R)
      $d - Information recording technique (R)
      $e - Support (R)
      $f - Production rate/ratio (R)
      $h - Location within medium (R)
      $i - Technical specifications of medium (R)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  342 - GEOSPATIAL REFERENCE DATA (R)
   Indicators
      First - Geospatial reference dimension
         0 - Horizontal coordinate system
         1 - Vertical coordinate system
      Second - Geospatial reference method
         0 - Geographic
         1 - Map projection
         2 - Grid coordinate system
         3 - Local planar
         4 - Local
         5 - Geodetic model
         6 - Altitude
         7 - Method specified in $2
         8 - Depth
   Subfield Codes
      $a - Name (NR)
      $b - Coordinate or distance units (NR)
      $c - Latitude resolution (NR)
      $d - Longitude resolution (NR)
      $e - Standard parallel or oblique line latitude (R)
      $f - Oblique line longitude (R)
      $g - Longitude of central meridian or projection center (NR)
      $h - Latitude of projection origin or projection center (NR)
      $i - False easting (NR)
      $j - False northing (NR)
      $k - Scale factor (NR)
      $l - Height of perspective point above surface (NR)
      $m - Azimuthal angle (NR)
      $n - Azimuth measure point longitude or straight vertical 
               longitude from pole (NR)
      $o - Landsat number and path number (NR)
      $p - Zone identifier (NR)
      $q - Ellipsoid name (NR)
      $r - Semi-major axis (NR)
      $s - Denominator of flattening ratio (NR)
      $t - Vertical resolution (NR)
      $u - Vertical encoding method (NR)
      $v - Local planar, local, or other projection or grid description (NR)
      $w - Local planar or local georeference information (NR)
      $2 - Reference method used (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  343 - PLANAR COORDINATE DATA (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Planar coordinate encoding method (NR)
      $b - Planar distance units (NR)
      $c - Abscissa resolution (NR)
      $d - Ordinate resolution (NR)
      $e - Distance resolution (NR)
      $f - Bearing resolution (NR)
      $g - Bearing units (NR)
      $h - Bearing reference direction (NR)
      $i - Bearing reference meridian (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  350 - PRICE (NR) (BK AM CF MU VM SE) [OBSOLETE] 
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Price (R)
      $b - Form of issue (R)
      $6 - Linkage (NR)
  351 - ORGANIZATION AND ARRANGEMENT OF MATERIALS (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Organization (R)
      $b - Arrangement (R)
      $c - Hierarchical level (NR)
      $3 - Materials specified (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  352 - DIGITAL GRAPHIC REPRESENTATION (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Direct reference method (NR)
      $b - Object type (R)
      $c - Object count (R)
      $d - Row count (NR)
      $e - Column count (NR)
      $f - Vertical count (NR)
      $g - VPF topology level (NR)
      $i - Indirect reference description (NR)
      $q - Format of the digital image (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  355 - SECURITY CLASSIFICATION CONTROL (R)
   Indicators
      First - Controlled element
         0 - Document
         1 - Title
         2 - Abstract
         3 - Contents note
         4 - Author
         5 - Record
         8 - Other element
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Security classification (NR)
      $b - Handling instructions (R)
      $c - External dissemination information (R)
      $d - Downgrading or declassification event (NR)
      $e - Classification system (NR)
      $f - Country of origin code (NR)
      $g - Downgrading date (NR)
      $h - Declassification date (NR)
      $j - Authorization (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  357 - ORIGINATOR DISSEMINATION CONTROL (NR)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfields
      $a - Originator control term (NR)
      $b - Originating agency (R)
      $c - Authorized recipients of material (R)
      $g - Other restrictions (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  359 - RENTAL PRICE (VM) [OBSOLETE]
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Code
      $a - Rental price (NR)
  362 - DATES OF PUBLICATION AND/OR SEQUENTIAL DESIGNATION (R)
   Indicators
      First - Format of date
         0 - Formatted style
         1 - Unformatted note
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Dates of publication and/or sequential designation (NR)
      $z - Source of information (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  363 - NORMALIZED DATE AND SEQUENTIAL DESIGNATION (R)
   Indicators
      First - Start/End designator
         # - No information provided          
         0 - Starting information          
         1 - Ending information 
      Second - State of issuance
         # - Not specified
         0 - Closed
         1 - Open 
   Subfield Codes
      $a - First level of enumeration (NR)       
      $b - Second level of enumeration (NR)       
      $c - Third level of enumeration (NR)       
      $d - Fourth level of enumeration (NR)       
      $e - Fifth level of enumeration (NR)       
      $f - Sixth level of enumeration (NR)       
      $g - Alternative numbering scheme, first level of enumeration (NR)       
      $h - Alternative numbering scheme, second level of enumeration (NR)       
      $i - First level of chronology (NR)
      $j - Second level of chronology (NR) 
      $k - Third level of chronology (NR) 
      $l - Fourth level of chronology (NR) 
      $m - Alternative numbering scheme, chronology (NR) 
      $u - First level textual designation (NR) 
      $v - First level of chronology, issuance (NR) 
      $x - Nonpublic note (R)
      $z - Public note (R) 
      $6 - Linkage (NR) 
      $8 - Field link and sequence number (NR)  
  365 - TRADE PRICE (R)
   Indicators
      First - Undefined
         # - Undefined 
      Second - Undefined
         # - Undefined 
   Subfield Codes
      $a - Price type code (NR)
      $b - Price amount (NR)
      $c - Currency code (NR)
      $d - Unit of pricing (NR)
      $e - Price note (NR)
      $f - Price effective from (NR)
      $g - Price effective until (NR)
      $h - Tax rate 1 (NR)
      $i - Tax rate 2 (NR)
      $j - ISO country code (NR)
      $k - MARC country code (NR)
      $m - Identification of pricing entity (NR)
      $2 - Source of price type code (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
  366 - TRADE AVAILABILITY INFORMATION (R)
   Indicators
      First - Undefined
         # - Undefined 
      Second - Undefined
         # - Undefined 
   Subfield Codes
      $a - Publishers' compressed title identification (NR)
      $b - Detailed date of publication (NR)
      $c - Availability status code (NR)
      $d - Expected next availability date (NR)
      $e - Note (NR)
      $f - Publishers' discount category (NR)
      $g - Date made out of print (NR)
      $j - ISO country code (NR)
      $k - MARC country code (NR)
      $m - Identification of agency (NR)
      $2 - Source of availability status code (NR)
      $6 - Linkage (NR) 
      $8 - Field link and sequence number (R) 
--Series Statement Fields (4XX)--
  400 - SERIES STATEMENT/ADDED ENTRY--PERSONAL NAME  (R) [US-LOCAL]
   Indicators
      First - Type of personal name entry element
         0 - Forename
         1 - Surname
         2 - Multiple surname [OBSOLETE]
         3 - Family name
      Second - Pronoun represents main entry
         0 - Main entry not represented by pronoun
         1 - Main entry represented by pronoun
   Subfield Codes
      $a - Personal name (NR)
      $b - Numeration (NR) 
      $c - Titles and other words associated with a name (R)
      $d - Dates associated with a name (NR)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $q - Fuller form of name (NR) [OBSOLETE]
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $v - Volume number/sequential designation  (NR)
      $x - International Standard Serial Number  (NR)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number  (R)   
  410 - SERIES STATEMENT/ADDED ENTRY--CORPORATE NAME (R) [US-LOCAL]
   Indicators
      First - Type of corporate name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Pronoun represents main entry
         0 - Main entry not represented by pronoun
         1 - Main entry represented by pronoun
   Subfield Codes
      $a - Corporate name or jurisdiction name as entry element (NR)
      $b - Subordinate unit (R)
      $c - Location of meeting (NR)
      $d - Date of meeting or treaty signing (R)
      $e - Relator term (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $v - Volume number/sequential designation  (NR)
      $x - International Standard Serial Number (NR)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)   
  411 - SERIES STATEMENT/ADDED ENTRY--MEETING NAME (R) [US-LOCAL]
   Indicators
      First - Type of meeting name entry element
         0 - Inverted name
         1 - Jurisdiction name
         2 - Name in direct order
      Second - Pronoun represents main entry
         0 - Main entry not represented by pronoun
         1 - Main entry represented by pronoun
   Subfield Codes
      $a - Meeting name or jurisdiction name as entry element (NR)
      $b - Number  [OBSOLETE]
      $c - Location of meeting (NR)
      $d - Date of meeting (NR)
      $e - Subordinate unit (R)
      $f - Date of a work (NR)
      $g - Miscellaneous information (NR)
      $k - Form subheading (R)
      $l - Language of a work (NR)
      $n - Number of part/section/meeting (R)
      $p - Name of part/section of a work (R)
      $q - Name of meeting following jurisdiction name entry element (NR)
      $t - Title of a work (NR)
      $u - Affiliation (NR)
      $v - Volume number/sequential designation  (NR)
      $x - International Standard Serial Number (NR)
      $4 - Relator code (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R) 
  440 - SERIES STATEMENT/ADDED ENTRY--TITLE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Nonfiling characters
         0-9 - Number of nonfiling characters 
   Subfield Codes
      $a - Title (NR)
      $n - Number of part/section of a work (R)
      $p - Name of part/section of a work (R)
      $v - Volume number/sequential designation  (NR)
      $w - Bibliographic record control number (R)
      $x - International Standard Serial Number (NR)
      $0 - Authority record control number (R)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)  
  490 - SERIES STATEMENT (R)
   Indicators
      First - Specifies whether series is traced
         0 - Series not traced
         1 - Series traced differently
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - Series statement (R)
      $l - Library of Congress call number (NR)
      $v - Volume number/sequential designation  (R)
      $x - International Standard Serial Number (NR)
      $6 - Linkage (NR)
      $8 - Field link and sequence number (R)
          
--Note Fields (Part 1: 50X-53X)--
  500 - GENERAL NOTE (R)
   Indicators
      First - Undefined
         # - Undefined
      Second - Undefined
         # - Undefined
   Subfield Codes
      $a - General note (NR)
      $l - Library of Congress call number (SE) [OBSOLETE]
      $x - International Standard Serial Number (SE) [OBSOLETE]
      $z - Source of note information (AM SE) [OBSOLETE]
      $3 - Materials specified (NR)
      $5 - Institution to which field applies (NR)
      $6 - Linkage (NR)